Examine source code of NZZ Daily Reader

{
  "manifest_version": 2,
  "name": "NZZ Daily Reader",
  "version": "1.2",
  "description": "Deletes cookies from NZZ to read newspaper",
  "permissions": [
    "tabs",
    "cookies",
    "activeTab",
    "webNavigation",
    "webRequest",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "applications": {
    "gecko": {
      "id": "NZZ4freeAndIamLovingit1@pm.me"
    }
  }
}